Mercurial > hg > nginx
annotate src/http/v3/ngx_http_v3_tables.c @ 8226:268f4389130d quic
Refactored HTTP/3 parser.
author | Roman Arutyunyan <arut@nginx.com> |
---|---|
date | Wed, 18 Mar 2020 13:46:35 +0300 |
parents | 38c0898b6df7 |
children | f11b7981a03d |
rev | line source |
---|---|
8215 | 1 |
2 /* | |
3 * Copyright (C) Roman Arutyunyan | |
4 * Copyright (C) Nginx, Inc. | |
5 */ | |
6 | |
7 | |
8 #include <ngx_config.h> | |
9 #include <ngx_core.h> | |
10 #include <ngx_http.h> | |
11 | |
12 | |
13 static ngx_array_t *ngx_http_v3_get_dynamic_table(ngx_connection_t *c); | |
14 static ngx_int_t ngx_http_v3_new_header(ngx_connection_t *c); | |
15 | |
16 | |
17 static ngx_http_v3_header_t ngx_http_v3_static_table[] = { | |
18 | |
19 { ngx_string(":authority"), ngx_string("") }, | |
20 { ngx_string(":path"), ngx_string("/") }, | |
21 { ngx_string("age"), ngx_string("0") }, | |
22 { ngx_string("content-disposition"), ngx_string("") }, | |
23 { ngx_string("content-length"), ngx_string("0") }, | |
24 { ngx_string("cookie"), ngx_string("") }, | |
25 { ngx_string("date"), ngx_string("") }, | |
26 { ngx_string("etag"), ngx_string("") }, | |
27 { ngx_string("if-modified-since"), ngx_string("") }, | |
28 { ngx_string("if-none-match"), ngx_string("") }, | |
29 { ngx_string("last-modified"), ngx_string("") }, | |
30 { ngx_string("link"), ngx_string("") }, | |
31 { ngx_string("location"), ngx_string("") }, | |
32 { ngx_string("referer"), ngx_string("") }, | |
33 { ngx_string("set-cookie"), ngx_string("") }, | |
34 { ngx_string(":method"), ngx_string("CONNECT") }, | |
35 { ngx_string(":method"), ngx_string("DELETE") }, | |
36 { ngx_string(":method"), ngx_string("GET") }, | |
37 { ngx_string(":method"), ngx_string("HEAD") }, | |
38 { ngx_string(":method"), ngx_string("OPTIONS") }, | |
39 { ngx_string(":method"), ngx_string("POST") }, | |
40 { ngx_string(":method"), ngx_string("PUT") }, | |
41 { ngx_string(":scheme"), ngx_string("http") }, | |
42 { ngx_string(":scheme"), ngx_string("https") }, | |
43 { ngx_string(":status"), ngx_string("103") }, | |
44 { ngx_string(":status"), ngx_string("200") }, | |
45 { ngx_string(":status"), ngx_string("304") }, | |
46 { ngx_string(":status"), ngx_string("404") }, | |
47 { ngx_string(":status"), ngx_string("503") }, | |
48 { ngx_string("accept"), ngx_string("*/*") }, | |
49 { ngx_string("accept"), | |
50 ngx_string("application/dns-message ") }, | |
51 { ngx_string("accept-encoding"), ngx_string("gzip,") }, | |
52 { ngx_string("accept-ranges"), ngx_string("bytes") }, | |
53 { ngx_string("access-control-allow-headers"), | |
54 ngx_string("cache-control") }, | |
55 { ngx_string("access-control-allow-headers"), | |
56 ngx_string("content-type") }, | |
57 { ngx_string("access-control-allow-origin"), | |
58 ngx_string("*") }, | |
59 { ngx_string("cache-control"), ngx_string("max-age=0") }, | |
60 { ngx_string("cache-control"), ngx_string("max-age=2592000") }, | |
61 { ngx_string("cache-control"), ngx_string("max-age=604800") }, | |
62 { ngx_string("cache-control"), ngx_string("no-cache") }, | |
63 { ngx_string("cache-control"), ngx_string("no-store") }, | |
64 { ngx_string("cache-control"), | |
65 ngx_string("public, max-age=31536000 ") }, | |
66 { ngx_string("content-encoding"), ngx_string("br") }, | |
67 { ngx_string("content-encoding"), ngx_string("gzip") }, | |
68 { ngx_string("content-type"), | |
69 ngx_string("application/dns-message") }, | |
70 { ngx_string("content-type"), | |
71 ngx_string("application/javascript") }, | |
72 { ngx_string("content-type"), ngx_string("application/json") }, | |
73 { ngx_string("content-type"), | |
74 ngx_string("application/x-www-form-urlencoded") }, | |
75 { ngx_string("content-type"), ngx_string("image/gif") }, | |
76 { ngx_string("content-type"), ngx_string("image/jpeg") }, | |
77 { ngx_string("content-type"), ngx_string("image/png") }, | |
78 { ngx_string("content-type"), ngx_string("text/css") }, | |
79 { ngx_string("content-type"), | |
80 ngx_string("text/html;charset=utf-8") }, | |
81 { ngx_string("content-type"), ngx_string("text/plain") }, | |
82 { ngx_string("content-type"), | |
83 ngx_string("text/plain;charset=utf-8") }, | |
84 { ngx_string("range"), ngx_string("bytes=0-") }, | |
85 { ngx_string("strict-transport-security"), | |
86 ngx_string("max-age=31536000") }, | |
87 { ngx_string("strict-transport-security"), | |
88 ngx_string("max-age=31536000;includesubdomains") }, | |
89 { ngx_string("strict-transport-security"), | |
90 ngx_string("max-age=31536000;includesubdomains;preload") }, | |
91 { ngx_string("vary"), ngx_string("accept-encoding") }, | |
92 { ngx_string("vary"), ngx_string("origin") }, | |
93 { ngx_string("x-content-type-options"),ngx_string("nosniff") }, | |
94 { ngx_string("x-xss-protection"), ngx_string("1;mode=block") }, | |
95 { ngx_string(":status"), ngx_string("100") }, | |
96 { ngx_string(":status"), ngx_string("204") }, | |
97 { ngx_string(":status"), ngx_string("206") }, | |
98 { ngx_string(":status"), ngx_string("302") }, | |
99 { ngx_string(":status"), ngx_string("400") }, | |
100 { ngx_string(":status"), ngx_string("403") }, | |
101 { ngx_string(":status"), ngx_string("421") }, | |
102 { ngx_string(":status"), ngx_string("425") }, | |
103 { ngx_string(":status"), ngx_string("500") }, | |
104 { ngx_string("accept-language"), ngx_string("") }, | |
105 { ngx_string("access-control-allow-credentials"), | |
106 ngx_string("FALSE") }, | |
107 { ngx_string("access-control-allow-credentials"), | |
108 ngx_string("TRUE") }, | |
109 { ngx_string("access-control-allow-headers"), | |
110 ngx_string("*") }, | |
111 { ngx_string("access-control-allow-methods"), | |
112 ngx_string("get") }, | |
113 { ngx_string("access-control-allow-methods"), | |
114 ngx_string("get, post, options") }, | |
115 { ngx_string("access-control-allow-methods"), | |
116 ngx_string("options") }, | |
117 { ngx_string("access-control-expose-headers"), | |
118 ngx_string("content-length") }, | |
119 { ngx_string("access-control-request-headers"), | |
120 ngx_string("content-type") }, | |
121 { ngx_string("access-control-request-method"), | |
122 ngx_string("get") }, | |
123 { ngx_string("access-control-request-method"), | |
124 ngx_string("post") }, | |
125 { ngx_string("alt-svc"), ngx_string("clear") }, | |
126 { ngx_string("horization"), ngx_string("") }, | |
127 { ngx_string("content-security-policy"), | |
128 ngx_string("script-src") }, | |
129 { ngx_string("early-data"), ngx_string("1") }, | |
130 { ngx_string("expect-ct"), ngx_string("") }, | |
131 { ngx_string("forwarded"), ngx_string("") }, | |
132 { ngx_string("if-range"), ngx_string("") }, | |
133 { ngx_string("origin"), ngx_string("") }, | |
134 { ngx_string("purpose"), ngx_string("prefetch") }, | |
135 { ngx_string("server"), ngx_string("") }, | |
136 { ngx_string("timing-allow-origin"), ngx_string("*") }, | |
137 { ngx_string("upgrade-insecure-requests"), | |
138 ngx_string("1") }, | |
139 { ngx_string("user-agent"), ngx_string("") }, | |
140 { ngx_string("x-forwarded-for"), ngx_string("") }, | |
141 { ngx_string("x-frame-options"), ngx_string("deny") }, | |
142 { ngx_string("x-frame-options"), ngx_string("sameorigin") } | |
143 }; | |
144 | |
145 | |
146 ngx_int_t | |
147 ngx_http_v3_ref_insert(ngx_connection_t *c, ngx_uint_t dynamic, | |
148 ngx_uint_t index, ngx_str_t *value) | |
149 { | |
150 ngx_array_t *dt; | |
151 ngx_http_v3_header_t *ref, *h; | |
152 | |
153 ngx_log_debug3(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
154 "http3 ref insert %s[$ui] \"%V\"", | |
155 dynamic ? "dynamic" : "static", index, value); | |
156 | |
157 ref = ngx_http_v3_lookup_table(c, dynamic, index); | |
158 if (ref == NULL) { | |
159 return NGX_ERROR; | |
160 } | |
161 | |
162 dt = ngx_http_v3_get_dynamic_table(c); | |
163 if (dt == NULL) { | |
164 return NGX_ERROR; | |
165 } | |
166 | |
167 h = ngx_array_push(dt); | |
168 if (h == NULL) { | |
169 return NGX_ERROR; | |
170 } | |
171 | |
172 h->name = ref->name; | |
173 h->value = *value; | |
174 | |
175 if (ngx_http_v3_new_header(c) != NGX_OK) { | |
176 return NGX_ERROR; | |
177 } | |
178 | |
179 return NGX_OK; | |
180 } | |
181 | |
182 | |
183 ngx_int_t | |
184 ngx_http_v3_insert(ngx_connection_t *c, ngx_str_t *name, | |
185 ngx_str_t *value) | |
186 { | |
187 ngx_array_t *dt; | |
188 ngx_http_v3_header_t *h; | |
189 | |
190 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
191 "http3 insert \"%V\":\"%V\"", name, value); | |
192 | |
193 dt = ngx_http_v3_get_dynamic_table(c); | |
194 if (dt == NULL) { | |
195 return NGX_ERROR; | |
196 } | |
197 | |
198 h = ngx_array_push(dt); | |
199 if (h == NULL) { | |
200 return NGX_ERROR; | |
201 } | |
202 | |
203 h->name = *name; | |
204 h->value = *value; | |
205 | |
206 if (ngx_http_v3_new_header(c) != NGX_OK) { | |
207 return NGX_ERROR; | |
208 } | |
209 | |
210 return NGX_OK; | |
211 } | |
212 | |
213 | |
214 ngx_int_t | |
215 ngx_http_v3_set_capacity(ngx_connection_t *c, ngx_uint_t capacity) | |
216 { | |
217 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
218 "http3 set capacity %ui", capacity); | |
219 | |
220 /* XXX ignore capacity */ | |
221 | |
222 return NGX_OK; | |
223 } | |
224 | |
225 | |
226 ngx_int_t | |
227 ngx_http_v3_duplicate(ngx_connection_t *c, ngx_uint_t index) | |
228 { | |
229 ngx_array_t *dt; | |
230 ngx_http_v3_header_t *ref, *h; | |
231 | |
232 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0, "http3 duplicate %ui", index); | |
233 | |
234 ref = ngx_http_v3_lookup_table(c, 1, index); | |
235 if (ref == NULL) { | |
236 return NGX_ERROR; | |
237 } | |
238 | |
239 dt = ngx_http_v3_get_dynamic_table(c); | |
240 if (dt == NULL) { | |
241 return NGX_ERROR; | |
242 } | |
243 | |
244 h = ngx_array_push(dt); | |
245 if (h == NULL) { | |
246 return NGX_ERROR; | |
247 } | |
248 | |
249 *h = *ref; | |
250 | |
251 if (ngx_http_v3_new_header(c) != NGX_OK) { | |
252 return NGX_ERROR; | |
253 } | |
254 | |
255 return NGX_OK; | |
256 } | |
257 | |
258 | |
259 ngx_int_t | |
260 ngx_http_v3_ack_header(ngx_connection_t *c, ngx_uint_t stream_id) | |
261 { | |
262 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
263 "http3 ack header %ui", stream_id); | |
264 | |
265 /* XXX */ | |
266 | |
267 return NGX_OK; | |
268 } | |
269 | |
270 | |
271 ngx_int_t | |
272 ngx_http_v3_cancel_stream(ngx_connection_t *c, ngx_uint_t stream_id) | |
273 { | |
274 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
275 "http3 cancel stream %ui", stream_id); | |
276 | |
277 /* XXX */ | |
278 | |
279 return NGX_OK; | |
280 } | |
281 | |
282 | |
283 ngx_int_t | |
284 ngx_http_v3_inc_insert_count(ngx_connection_t *c, ngx_uint_t inc) | |
285 { | |
286 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
287 "http3 increment insert count %ui", inc); | |
288 | |
289 /* XXX */ | |
290 | |
291 return NGX_OK; | |
292 } | |
293 | |
294 | |
295 static ngx_array_t * | |
296 ngx_http_v3_get_dynamic_table(ngx_connection_t *c) | |
297 { | |
298 ngx_connection_t *pc; | |
299 ngx_http_v3_connection_t *h3c; | |
300 | |
301 pc = c->qs->parent; | |
302 h3c = pc->data; | |
303 | |
304 if (h3c->dynamic) { | |
305 return h3c->dynamic; | |
306 } | |
307 | |
308 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "http3 create dynamic table"); | |
309 | |
310 h3c->dynamic = ngx_array_create(pc->pool, 1, sizeof(ngx_http_v3_header_t)); | |
311 | |
312 return h3c->dynamic; | |
313 } | |
314 | |
315 | |
316 ngx_http_v3_header_t * | |
317 ngx_http_v3_lookup_table(ngx_connection_t *c, ngx_uint_t dynamic, | |
318 ngx_uint_t index) | |
319 { | |
320 ngx_uint_t nelts; | |
321 ngx_array_t *dt; | |
322 ngx_http_v3_header_t *table; | |
323 | |
324 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, c->log, 0, "http3 lookup %s[%ui]", | |
325 dynamic ? "dynamic" : "static", index); | |
326 | |
327 if (dynamic) { | |
328 dt = ngx_http_v3_get_dynamic_table(c); | |
329 if (dt == NULL) { | |
330 return NULL; | |
331 } | |
332 | |
333 table = dt->elts; | |
334 nelts = dt->nelts; | |
335 | |
336 } else { | |
337 table = ngx_http_v3_static_table; | |
338 nelts = sizeof(ngx_http_v3_static_table) | |
339 / sizeof(ngx_http_v3_static_table[0]); | |
340 } | |
341 | |
342 if (index >= nelts) { | |
343 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
344 "http3 lookup out of bounds: %ui", nelts); | |
345 return NULL; | |
346 } | |
347 | |
348 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, c->log, 0, "http3 lookup \"%V\":\"%V\"", | |
349 &table[index].name, &table[index].value); | |
350 | |
351 return &table[index]; | |
352 } | |
353 | |
354 | |
355 ngx_int_t | |
356 ngx_http_v3_check_insert_count(ngx_connection_t *c, ngx_uint_t insert_count) | |
357 { | |
358 size_t n; | |
359 ngx_http_v3_connection_t *h3c; | |
360 | |
361 h3c = c->qs->parent->data; | |
362 n = h3c->dynamic ? h3c->dynamic->nelts : 0; | |
363 | |
364 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
365 "http3 check insert count %ui/%ui", insert_count, n); | |
366 | |
367 if (n < insert_count) { | |
368 /* XXX how to get notified? */ | |
369 /* XXX wake all streams on any arrival to the encoder stream? */ | |
370 return NGX_AGAIN; | |
371 } | |
372 | |
373 return NGX_OK; | |
374 } | |
375 | |
376 | |
377 static ngx_int_t | |
378 ngx_http_v3_new_header(ngx_connection_t *c) | |
379 { | |
380 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "http3 new dynamic header"); | |
381 | |
382 /* XXX report all waiting streams of a new header */ | |
383 | |
384 return NGX_OK; | |
385 } | |
8226
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Roman Arutyunyan <arut@nginx.com>
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386 |
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387 |
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388 ngx_int_t |
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389 ngx_http_v3_set_param(ngx_connection_t *c, uint64_t id, uint64_t value) |
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390 { |
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391 switch (id) { |
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392 |
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393 case NGX_HTTP_V3_PARAM_MAX_TABLE_CAPACITY: |
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394 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0, |
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395 "http3 param QPACK_MAX_TABLE_CAPACITY:%uL", value); |
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396 break; |
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397 |
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398 case NGX_HTTP_V3_PARAM_MAX_HEADER_LIST_SIZE: |
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399 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0, |
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400 "http3 param SETTINGS_MAX_HEADER_LIST_SIZE:%uL", value); |
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401 break; |
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402 |
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403 case NGX_HTTP_V3_PARAM_BLOCKED_STREAMS: |
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404 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0, |
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405 "http3 param QPACK_BLOCKED_STREAMS:%uL", value); |
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406 break; |
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407 |
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408 default: |
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409 |
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410 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, c->log, 0, |
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411 "http3 param #%uL:%uL", id, value); |
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412 } |
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413 |
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414 return NGX_OK; |
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415 } |